zloader | 9f5ae7544311e1c85c7452df11f0d7943f1a970f71a8d3bc7b9b062c71830242

General

Target

zloader.dll
Size

152KB
MD5

b035e24d80b7460ead4a95d0894ec36d
SHA1

d7e1da5a2e7c8655781806f74f7d5d71112ada88
SHA256

9f5ae7544311e1c85c7452df11f0d7943f1a970f71a8d3bc7b9b062c71830242
SHA512

3fb2896bc20875a2359af20fdfb7593909f378625fa8fb97a64d8db6111e8e9c5e61af296620093f9e782026d6d91b662a14242ac46c593940373e74e3c26205

Score

10^/10

zloader dllobnova 02.09.2020dll botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

02.09.2020dll

C2

https://fqnvtmqsywublocpheas.ru/gate.php

https://fqnvtmqsywublocpheas.su/gate.php

https://fqnvtmqsywublocpheas.eu/gate.php

https://fqnvtmqsywuikdjsmasablocpheas.eu/gate.php

https://fqnssvtmqsywufblocpheas.eu/gate.php

https://fqnvtmqsywublfocpheas.eu/gate.php

https://fqnvtmqsyfwublocpheas.eu/gate.php

https://fqnvtmqsywubflocpheas.eu/gate.php

rc4.plain

rsa_pubkey.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yrvahik = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Futoiq\\hiboew.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 2148 set thread context of 2096 2148 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 2096 msiexec.exe
Token: SeSecurityPrivilege 2096 msiexec.exe

description	pid	process	target process
PID 2148 set thread context of 2096	2148	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	2096	msiexec.exe
Token: SeSecurityPrivilege	2096	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3872 wrote to memory of 2148	3872	rundll32.exe	rundll32.exe
PID 3872 wrote to memory of 2148	3872	rundll32.exe	rundll32.exe
PID 3872 wrote to memory of 2148	3872	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2096	2148	rundll32.exe	msiexec.exe
PID 2148 wrote to memory of 2096	2148	rundll32.exe	msiexec.exe
PID 2148 wrote to memory of 2096	2148	rundll32.exe	msiexec.exe
PID 2148 wrote to memory of 2096	2148	rundll32.exe	msiexec.exe
PID 2148 wrote to memory of 2096	2148	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zloader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3872

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zloader.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2148

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:2096

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2096-1-0x0000000000EF0000-0x0000000000F1B000-memory.dmp

Filesize
172KB

Download
memory/2096-2-0x0000000000000000-mapping.dmp

Download
memory/2148-0-0x0000000000000000-mapping.dmp

Download

Analysis

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